Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-30737

A memory corruption issue in the ASN.1 decoder was addressed by removing the vulnerable code. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, iOS 12.5.4, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted certificate may lead to arbitrary code execution.

Published

2021-09-08T14:15:09.337

Last Modified

2024-11-21T06:04:36.940

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	ipados	< 14.6	Yes
Operating System	apple	iphone_os	< 12.5.4	Yes
Operating System	apple	iphone_os	< 14.6	Yes
Operating System	apple	mac_os_x	≤ 10.14.5	Yes
Operating System	apple	mac_os_x	≤ 10.15.5	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.15.6	Yes
Operating System	apple	mac_os_x	10.15.6	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	macos	< 11.4	Yes
Operating System	apple	tvos	< 14.6	Yes
Operating System	apple	watchos	< 7.5	Yes

References

https://support.apple.com/en-us/HT212528 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212529 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212530 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212531 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212532 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212533 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212548 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT212528 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212529 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212530 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212531 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212532 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212533 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT212548 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)